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   <div id="projectname">CMU462 Library Documentation
   &#160;<span id="projectnumber">1.0</span>
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   <div id="projectbrief">Computer Graphics</div>
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<li class="navelem"><a class="el" href="dir_97aefd0d527b934f1d99a682da8fe6a9.html">lib</a></li>  </ul>
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<div class="title">viewer.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#ifndef CMU462_VIEWER_H</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#define CMU462_VIEWER_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;</div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &quot;renderer.h&quot;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#include &quot;osdtext.h&quot;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &lt;chrono&gt;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &quot;glfw.h&quot;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespace_c_m_u462.html">CMU462</a> {</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div>
<div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="class_c_m_u462_1_1_viewer.html">   20</a></span>&#160;<span class="keyword">class </span><a class="code" href="class_c_m_u462_1_1_viewer.html">Viewer</a> {</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;  <a class="code" href="class_c_m_u462_1_1_viewer.html#a9c426d5f8918b757a203da29cbc2cedd">Viewer</a>( <span class="keywordtype">void</span> );</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;  <a class="code" href="class_c_m_u462_1_1_viewer.html#a9c426d5f8918b757a203da29cbc2cedd">Viewer</a>( <span class="keyword">const</span> <span class="keywordtype">char</span>* title );</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;  <a class="code" href="class_c_m_u462_1_1_viewer.html#a8465e980ba745c8f45b6b833a01f0501">~Viewer</a>( <span class="keywordtype">void</span> );</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="class_c_m_u462_1_1_viewer.html#ab04e8247c16851b600e411ee2028865b">init</a>( <span class="keywordtype">void</span> );</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;  </div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="class_c_m_u462_1_1_viewer.html#afa69177f56fed243755762bb1dd09bf1">start</a>( <span class="keywordtype">void</span> );</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="class_c_m_u462_1_1_viewer.html#a718e6c8bc9b6522e0eb08d1ad7cfb812">set_renderer</a>( <a class="code" href="class_c_m_u462_1_1_renderer.html">Renderer</a> *renderer );</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> update( <span class="keywordtype">void</span> );</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    </div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> drawInfo( <span class="keywordtype">void</span> );</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;  <span class="comment">// window event callbacks</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> err_callback( <span class="keywordtype">int</span> error, <span class="keyword">const</span> <span class="keywordtype">char</span>* description );</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> key_callback( GLFWwindow* window, <span class="keywordtype">int</span> key, <span class="keywordtype">int</span> scancode, <span class="keywordtype">int</span> action, <span class="keywordtype">int</span> mods );</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> resize_callback( GLFWwindow* window, <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> height );</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> cursor_callback( GLFWwindow* window, <span class="keywordtype">double</span> xpos, <span class="keywordtype">double</span> ypos );</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> scroll_callback( GLFWwindow* window, <span class="keywordtype">double</span> xoffset, <span class="keywordtype">double</span> yoffset);</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;  <span class="comment">// HDPI display</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">bool</span> HDPI;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;  <span class="comment">// framerate related timeers</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">int</span> framecount; </div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;  <span class="keyword">static</span> std::chrono::time_point&lt;std::chrono::system_clock&gt; sys_last; </div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;  <span class="keyword">static</span> std::chrono::time_point&lt;std::chrono::system_clock&gt; sys_curr; </div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;  <span class="comment">// info toggle</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">bool</span> showInfo;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;  <span class="comment">// window properties</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;  <span class="keyword">static</span> GLFWwindow* window;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">size_t</span> buffer_w;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">size_t</span> buffer_h;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;  <span class="comment">// user space renderer</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;  <span class="keyword">static</span> <a class="code" href="class_c_m_u462_1_1_renderer.html">Renderer</a>* renderer; </div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;  <span class="comment">// on-screen display</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;  <span class="keyword">static</span> <a class="code" href="class_c_m_u462_1_1_o_s_d_text.html">OSDText</a>* osd_text;</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">int</span> line_id_renderer;</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">int</span> line_id_framerate;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;}; <span class="comment">// class Viewer</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;} <span class="comment">// namespace CMU462</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="preprocessor">#endif // CMU462_VIEWER_H</span></div>
<div class="ttc" id="namespace_c_m_u462_html"><div class="ttname"><a href="namespace_c_m_u462.html">CMU462</a></div><div class="ttdef"><b>Definition:</b> color.cpp:10</div></div>
<div class="ttc" id="class_c_m_u462_1_1_renderer_html"><div class="ttname"><a href="class_c_m_u462_1_1_renderer.html">CMU462::Renderer</a></div><div class="ttdoc">Abstract renderer definition. </div><div class="ttdef"><b>Definition:</b> renderer.h:19</div></div>
<div class="ttc" id="class_c_m_u462_1_1_viewer_html_a718e6c8bc9b6522e0eb08d1ad7cfb812"><div class="ttname"><a href="class_c_m_u462_1_1_viewer.html#a718e6c8bc9b6522e0eb08d1ad7cfb812">CMU462::Viewer::set_renderer</a></div><div class="ttdeci">void set_renderer(Renderer *renderer)</div><div class="ttdoc">Set a user space renderer. </div><div class="ttdef"><b>Definition:</b> viewer.cpp:139</div></div>
<div class="ttc" id="class_c_m_u462_1_1_viewer_html_a8465e980ba745c8f45b6b833a01f0501"><div class="ttname"><a href="class_c_m_u462_1_1_viewer.html#a8465e980ba745c8f45b6b833a01f0501">CMU462::Viewer::~Viewer</a></div><div class="ttdeci">~Viewer(void)</div><div class="ttdoc">Destructor. </div><div class="ttdef"><b>Definition:</b> viewer.cpp:49</div></div>
<div class="ttc" id="class_c_m_u462_1_1_viewer_html"><div class="ttname"><a href="class_c_m_u462_1_1_viewer.html">CMU462::Viewer</a></div><div class="ttdoc">Provides OpenGL context, window display, and event handling routines. </div><div class="ttdef"><b>Definition:</b> viewer.h:20</div></div>
<div class="ttc" id="class_c_m_u462_1_1_viewer_html_afa69177f56fed243755762bb1dd09bf1"><div class="ttname"><a href="class_c_m_u462_1_1_viewer.html#afa69177f56fed243755762bb1dd09bf1">CMU462::Viewer::start</a></div><div class="ttdeci">void start(void)</div><div class="ttdoc">Start the drawing loop of the viewer. </div><div class="ttdef"><b>Definition:</b> viewer.cpp:128</div></div>
<div class="ttc" id="class_c_m_u462_1_1_o_s_d_text_html"><div class="ttname"><a href="class_c_m_u462_1_1_o_s_d_text.html">CMU462::OSDText</a></div><div class="ttdoc">Provides an interface for text on-screen display. </div><div class="ttdef"><b>Definition:</b> osdtext.h:47</div></div>
<div class="ttc" id="class_c_m_u462_1_1_viewer_html_a9c426d5f8918b757a203da29cbc2cedd"><div class="ttname"><a href="class_c_m_u462_1_1_viewer.html#a9c426d5f8918b757a203da29cbc2cedd">CMU462::Viewer::Viewer</a></div><div class="ttdeci">Viewer(void)</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> viewer.cpp:45</div></div>
<div class="ttc" id="class_c_m_u462_1_1_viewer_html_ab04e8247c16851b600e411ee2028865b"><div class="ttname"><a href="class_c_m_u462_1_1_viewer.html#ab04e8247c16851b600e411ee2028865b">CMU462::Viewer::init</a></div><div class="ttdeci">void init(void)</div><div class="ttdoc">Initialize the viewer. </div><div class="ttdef"><b>Definition:</b> viewer.cpp:60</div></div>
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